2, prepare an empty bottle, clean the bottle, dry the bottle, don't save water, otherwise it is easy to make the food inside go bad.

3. Peanuts, raw peanuts will do. Put peanuts in a bottle and add vinegar. The amount of vinegar must be submerged on peanuts, which is probably more than peanuts 1 cm.

4, the rest are placed, and the storage environment is best protected from light, so as to avoid sunlight heating and other effects of peanuts inside. Store in a cool place. Peanuts will change color in about 2 weeks, and they can be eaten after soaking for about 1 month.